Dr. Jason Cheng, MD
What this data tells you about Dr. Cheng
Dr. Jason Cheng is a radiation oncology specialist in San Antonio, TX, with 17 years of NPI registration. Based on federal Medicare data, Dr. Cheng performed 12,999 Medicare services across 3,486 unique beneficiaries.
Between the years covered by Open Payments, Dr. Cheng received a total of $195 from 3 pharmaceutical and/or device companies across 3 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in radiation oncology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Cheng is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) | 7,727 | $0 | $3 |
| MRI contrast dye injection (gadobutrol) | 1,120 | $0 | $1 |
| Chest X-ray, 2 views | 602 | $14 | $62 |
| Chest X-ray, 1 view | 373 | $6 | $33 |
| Bone density scan (DEXA) | 309 | $25 | $81 |
| Foot X-ray, 3+ views | 246 | $16 | $71 |
| Knee X-ray, 3 views | 224 | $15 | $66 |
| X-ray of hand, minimum of 3 views | 206 | $18 | $70 |
| X-ray of lower and sacral spine, 2-3 views | 180 | $17 | $73 |
| Shoulder X-ray, 2+ views | 143 | $14 | $68 |
| Complete ultrasound scan behind abdominal cavity | 140 | $52 | $177 |
| Complete ultrasound scan of abdomen | 122 | $54 | $194 |
| Hip X-ray, 2-3 views | 93 | $19 | $67 |
| Ultrasound scan of head and neck soft tissue | 80 | $58 | $190 |
| CT scan of head/brain, without contrast | 76 | $49 | $208 |
| CT scan of chest, without contrast | 71 | $70 | $244 |
| X-ray of upper spine, 2-3 views | 71 | $17 | $70 |
| Limited ultrasound scan of abdomen | 68 | $39 | $144 |
| X-ray of lower and sacral spine, minimum of 4 views | 64 | $25 | $112 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 58 | $48 | $169 |
| Ct scan of abdomen and pelvis without contrast | 57 | $95 | $321 |
| X-ray of both hips, 3-4 views | 56 | $26 | $101 |
| X-ray of ankle, minimum of 3 views | 54 | $14 | $69 |
| Ultrasound of both sides of head and neck blood flow | 46 | $88 | $292 |
| X-ray of knee, 1-2 views | 44 | $8 | $56 |
| Dxa bone density measurement of forearm, finger, hand, or foot | 42 | $20 | $74 |
| X-ray of abdomen, 1 view | 41 | $17 | $81 |
| 3D screening mammography (tomosynthesis) | 41 | $28 | $90 |
| Screening mammography | 41 | $35 | $119 |
| X-ray of upper spine, 4-5 views | 40 | $16 | $82 |
| Ultrasound scan of abdominal aorta | 39 | $72 | $194 |
| X-ray of wrist, minimum of 3 views | 38 | $16 | $60 |
| CT scan of abdomen and pelvis with contrast | 37 | $195 | $566 |
| Complete ultrasound scan of pelvis | 32 | $41 | $171 |
| X-ray of ribs on side of body, 2 views | 31 | $10 | $47 |
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 31 | $61 | $203 |
| Ct scan of abdomen and pelvis before and after contrast | 26 | $149 | $485 |
| X-ray of abdomen, 2 views | 24 | $12 | $56 |
| X-ray of middle spine, 2 views | 23 | $13 | $68 |
| X-ray of middle spine, 3 views | 21 | $20 | $80 |
| X-ray for bone length assessment | 20 | $25 | $83 |
| Ultrasound of leg arteries or artery grafts | 20 | $128 | $416 |
| X-ray of finger, minimum of 2 views | 19 | $14 | $54 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 19 | $111 | $359 |
| Mri scan of lower spinal canal without contrast | 18 | $107 | $409 |
| Limited ultrasound scan behind abdominal cavity | 18 | $27 | $124 |
| X-ray of ribs on side of body, minimum of 3 views | 17 | $20 | $72 |
| X-ray of upper arm, minimum of 2 views | 17 | $10 | $59 |
| X-ray of elbow, minimum of 3 views | 17 | $14 | $66 |
| X-ray of lower leg, 2 views | 16 | $17 | $78 |
| Ultrasound of abdomen and pelvis artery and vein blood flow | 16 | $65 | $227 |
| Mri scan of brain before and after contrast | 14 | $204 | $642 |
| Ct scan of upper spine without contrast | 14 | $36 | $238 |
| X-ray of sacrum and tailbone, minimum of 2 views | 13 | $11 | $56 |
| Limited ultrasound scan of pelvis | 13 | $19 | $135 |
| X-ray of thigh bone, minimum 2 views | 11 | $7 | $38 |
Industry Payment Transparency
Open Payments through 2019 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2019)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2019 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Cheng is a mixed practice specialist, with above-average Medicare volume (top 6% in TX), with low-engagement industry engagement, with 17 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Cheng experienced with contrast dye for imaging (iodine-based)?
Does Dr. Cheng receive payments from pharmaceutical companies?
How do Dr. Cheng's costs compare to other radiation oncologists in San Antonio?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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